step = [-0.033 0.964 2.149 3.094 4.069 4.996 5.653 5.966 6.072 6.046 5.785 5.424 4.817 4.043 3.057 2.091 1.061 0.226 0.009];
pd = [0:10:180];
plot(pd,step);
legend('A=50, Period=6');
grid on;
title('Step vs Phase difference')
xlabel('Phase difference (degrees)')
ylabel('Step (mm)')
axis([0,180])


